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   <title>The flush Command</title>
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<h1>
flush</h1>
<!--INDEX "flush command" "flush cache" -->
<p>The flush command flushes the data and/or instruction cache.
<h2>
Format</h2>

<dl>
<dd>
The format for the flush command is:</dd>

  <pre>
<font size="+1">flush [-di]
</font>
</pre>
where:
<br>&nbsp;
  <table width="95%">
    <tr bgcolor="#CCCCCC"> 
      <td WIDTH="67" align="right" valign="top" height="20">-d&nbsp;</td>
      <td width="764" height="20" align="left" valign="top"> 
        <blockquote> 
          <p>flushes the data cache only.&nbsp;</p>
        </blockquote>
      </td>
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    <tr> 
      <td width="67" align="right" valign="top">-i&nbsp;</td>
      <td width="764" align="left" valign="top"> 
        <blockquote> 
          <p>flushes the instruction cache only.&nbsp;</p>
        </blockquote>
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<p>Entering flush without any parameters flushes both caches.</dl>

<h2>
Functional Description</h2>

<dl>
  <dd> The flush command performs a hard flush of the data and/or instruction cache. 
    <br>
    All entries will be flushed, even those that had been locked.</dd>
</dl>

<h2>
See Also</h2>

<p><br>
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